(a) No employer shall terminate the employment of, prevent or impair the practice or occupation of, or impose any other sanction on, any employee because the employee made an oral or written report to, or cooperated with an investigation by, a law enforcement agency or the secretary relating to harm inflicted upon a child which was suspected by the employee of having resulted from the physical, mental or emotional abuse or neglect or sexual abuse of the child.

(b) Violation of this section is a class B misdemeanor.